patch applied (ghc): Major cleanup of the CPS code (but more is still to come)

[Simon Marlow]

Fri May 18 14:34:58 PDT 2007  Michael D. Adams <t-madams at microsoft.com>
  * Major cleanup of the CPS code (but more is still to come)

    M ./compiler/cmm/Cmm.hs -1 +2
    M ./compiler/cmm/CmmCPS.hs -277 +108
    M ./compiler/cmm/Dataflow.hs -143 +3